We are announcing the status of major inspections and restoration works and nonconformances 
at TEPCO's Kashiwazaki-Kariwa Nuclear Power Station after the Niigata-Chuetsu-Oki Earthquake.

1. Inspection/Restoration Status 

 ○ Inspection and restoration completed between November 23rd to November 29th, 2007
     (Completed on the following date)
  • Unit No.1 Main transformer oil extraction and internal inspection: 
      November 23rd 
  • Unit No.1 Main exhaust duct inspection:
      November 28h
  • Unit No.5 Main transformer oil extraction and internal inspection: 
      November 29th 
  • Unit No.7 Reactor internal pump input transformer (transportation into the factory):
      November 24th

 ○ Inspection and restoration to be commenced between November 30th to December 6th, 2007
     (To be commenced on the following date)  
  • Unit No.2 In-core inspection (Phase3):
      December 3rd 
  • Unit No.2 Excitation transformers oil extraction and internal inspection: 
      December 1st 
  • Unit No.3 Removal of spent fuel pool underwater work platform: 
      December 3rd 
  • Unit No.4 Reactor head opening:
      December 4th 
  • Unit No.4 Preparation for main transformer oil extraction and internal inspection:
      December 3rd 
  • Unit No.5 Preparation for reactor pressure vessel inspection (nozzle parts etc.) : 
      December 6th 
  • Unit No.5 Preparation for in-core inspection (Phase3):
      December 3rd
  • Unit No.5 Main transformer (preparation for transportation into the factory):
      November 30th
  • Unit No.6 In-core inspection (Phase1 and Phase2): 
      December 4th
  • Unit No.6 and 7 Preparation for discharge canal inspection and maintenance work:
      December 3rd
  • Unit No.7 Preparation for in-core inspection (Phase3): 
      November 28th*
  • Unit No.7 Turbine inspection (detailed inspection): 
      December 3rd 
  • High-voltage start-up transformer #1 (carrying in and installation) : 
      December 5th
                                                              *Work schedules added this week

 ○ Work Schedule for Major Inspection/Restoration from November 25th to December 22nd, 2007
  • Work Schedule of the Main Inspection/Restoration of Kashiwazaki-Kariwa Nuclear Power Station 
    in Response to the Niigata-Chuetsu-Oki Earthquake (during 4 Weeks)....Appendix

2. Nonconformances Found in the Inspection and Restoration Works Performed after 
   the Niigata-Chuetsu-Oki Earthquake 

   Based on the "Public Announcement Regarding Nonconformance Found in the Inspection 
   and Restoration Works Performed after the Niigata-Chuetsu-Oki Earthquake", 
   the Tokyo Electric Power Company, Incorporated (TEPCO) provides this announcement 
   containing incidents information reported from November 22nd to November 29th, 2007.

 ○ Incidents Information (relating to the Chuetsu-Oki Earthquake)  
<Reports from Nov. 22 to Nov. 29, 2007>  
 ○ Other Findings
  • Unit No.6: 
      A removal of fuel assemblies was completed (on November 26th).

  • Unit No.6: 
      The two control rods that could not be pulled out were successfully pulled out 
      by 3pm on November 27th through the procedure ruled when facing this event 
      (announced on November 27th).

  • Unit No.1:  
      Inspections of the main exhaust duct for leakage due to the increased number of 
      operating the heating ventilation and air-conditioning systems (HVACs) was 
      conducted on November 28th.  
      No abnormality was found in any of the HVACs. 

Appendix: Work Schedule of the Main Inspection/Restoration of the Kashiwazaki-Kariwa Nuclear 
          Power Station in Response to the Niigata-Chuetsu-Oki Earthquake 
          (during 4 Weeks)(PDF 151KB)